The church of San Ginés is one of the oldest churches in Madrid. It was one of the churches of the medieval Madrid, of Mozarab origin, from between the 12th and 13th centuries, and its name comes from the fact that it was dedicated to the patron saint of notaries and secretaries, Saint Genesius of Arles (San Ginés de Arlés). it was rebuilt in 1645.
The church is preceded by an atrium enclosed by railings. It has a Latin cross plan, with a nave and two aisles separated by semicircular arches and several side chapels and the altarpieces belong to the Neoclassical-Romantic school. It was, however, totally reconstructed after suffering several fires, so few remnants of the original church, such as the bell-tower, remain. In 1870, the loggia and atrium facing the Calle Arenal were added.
One of the most curious items on display is a stuffed crocodile, which is said to have been brought over from the Americas during the reign of the Catholic Monarchs.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.